<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Vue Event</title>
  <script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script>
  <style>
    .grandpa{
      width: 800px;
      height: 500px;
      border: 1px solid gray;
    }

    .daddy{
      width: 700px;
      height: 450px;
      border: 1px solid brown;
    }

    .sonny{
      width: 500px;
      height: 200px;
      border: 1px solid gold;
    }
  </style>
</head>

<body>
  <div id="app" @click="grandpaClick">
    <div class="grandpa">
      <div class="daddy" @click="daddyClick">
        <div class="sonny" @click.stop="sonnyClick"></div>
      </div>
    </div>
  </div>
  <script>
    var vm = new Vue({
      el: '#app',
      methods: {
        grandpaClick(){
          alert('grandpa come in');
        },
        daddyClick(){
          alert('daddy come in');
        },
        sonnyClick(){
          alert('sonny come in');
        }
      }
    })
  </script>
</body>

</html>